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    Onimai: I'm Now Your Sister! Oyama Mahiro / お兄ちゃんはおしまい! 緒山まひろ(Anima) - v2.0
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    日本語(修正版)

    キャラクターLoRAリスト / Character LoRA List https://civarchive.com/articles/32144/character-list

    『お兄ちゃんはおしまい!』に登場する「緒山まひろ」のANIMA用LoRAです。

    TS(性転換)して女の子になってしまった主人公ですが、その姿がとにかく可愛い!女の子としての日常を全力で楽しんでおり、作中では様々な衣装を着こなしたり、髪型をアレンジしたりとバリエーションが非常に豊富です。しかし、その豊富さが裏目に出てしまい、学習素材の髪型を統一する作業はなかなか大変でした。

    バージョン2ではキャプション(学習用テキスト)を見直し、アニメ第4話に登場する私服を追加しています。改めて作り直してみて実感しましたが、まひろはなんだかんだ言って本当に可愛いですね。ファンカルチャーで「緒山が悪い」というミーム(ネタ)が流行ったのも深く納得できる可愛さです。

    ※生成時にリボンへ余計な模様が入ることがありますが、こちらはLoRA側ではなく、ベースとなるモデル(チェックポイント)側の影響によるもののようです。

    • トリガーワード: Onimai-Oyama-Mahiro,

    • 容姿: petite but slender proportions, long light pink hair with a prominent curved ahoge, blunt bangs, brown eyes, medium breasts,

    • 制服: Mahiro-School, school uniform, wearing a black blazer jacket with pink trim over a yellow sweater vest and a white shirt with a red ribbon tie, a dark blue pleated skirt with pink trim

    • 私服: Mahiro-Casual, casual clothes, wearing a loose pastel pink long-sleeved shirt with a white ruffled collar and a red ribbon bow, a long white pleated skirt

    English Version

    This is a LoRA model of Oyama Mahiro from Onimai: I'm Now Your Sister!, optimized for ANIMA.

    He gets gender-bent into a girl, but ends up becoming an incredibly cute one! Mahiro really seems to thoroughly enjoy daily life as a girl, sporting a wide variety of outfits and hairstyles. Ironically, this rich variety made it quite a challenge to unify the hairstyles within the training dataset.

    For Version 2, I revised the captions and added the casual outfit from Episode 4. Reworking this model made me realize all over again just how adorable Mahiro actually is—it completely makes sense why the popular community meme "Oyama ga warui" (It's Oyama's fault) took off!

    Note: You might occasionally notice some unwanted patterns appearing on the ribbon, but this seems to be an issue caused by the base model (checkpoint) rather than the LoRA itself.

    • Trigger Word: Onimai-Oyama-Mahiro,

    • Appearance: petite but slender proportions, long light pink hair with a prominent curved ahoge, blunt bangs, brown eyes, medium breasts,

    • School Uniform: Mahiro-School, school uniform, wearing a black blazer jacket with pink trim over a yellow sweater vest and a white shirt with a red ribbon tie, a dark blue pleated skirt with pink trim

    • Casual Clothes: Mahiro-Casual, casual clothes, wearing a loose pastel pink long-sleeved shirt with a white ruffled collar and a red ribbon bow, a long white pleated skirt

    Description

    FAQ

    LORA
    Anima

    Details

    Downloads
    102
    Platform
    CivitAI
    Platform Status
    Available
    Created
    7/6/2026
    Updated
    7/6/2026
    Deleted
    -
    Trigger Words:
    Onimai-Oyama-Mahiro
    petite but slender proportions, long light pink hair with a prominent curved ahoge, blunt bangs, brown eyes, medium breasts,
    Mahiro-School, school uniform, wearing a black blazer jacket with pink trim over a yellow sweater vest and a white shirt with a red ribbon tie, a dark blue pleated skirt with pink trim
    Mahiro-Casual, casual clothes, wearing a loose pastel pink long-sleeved shirt with a white ruffled collar and a red ribbon bow, a long white pleated skirt

    Files

    Onimai-Oyama-Mahiro-Anima-2.safetensors

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